Voters in Iowa have picked the winning candidate in election cycles since 1972. In 2012, they voted for with % of the vote. Below, look at the winner and margin of victory in the state, and which candidates went on to win the election.
The California Democrat recalled his surprise when a Microsoft representative said at a conference last year that three Senate campaigns had been attacked by what seemed like the same Russian government-linked group that interfered in the 2016 election. “That should not be the first time the Intelligence chair is hearing that,” he said.